Create SegmentedControlRenderer.cs

SegmentedControl IOS
Create SegmentedControlView.cs
Merge pull request #181 from samu192/master

Create IOS Segmented Control
should fix #172
Added RepeaterView and demo page, view model.
RepeaterView Demo page
Add LoadContent in HybridWebView, iOS implemention only.
Merge pull request #192 from bluechiperic/master

New RepeaterView control and demo pages